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New Cache La Poudre Irrigating Company November 19-21 2003 Agenda Item Bb 6. Construct a pipeline to carry water from the Jack Wells Pumping Station to the North Side Extension, Cornish Plains Reservoir, or Drury Reservoir. The pipeline would consist of a 36- inch line (2450 If) from Barnesville to the North Side Extension and Cornish Plains Reservoir and a 24-inch line (5870 If) from Cornish Plains Reservoir to Drury Reservoir. Groundwater Augmentation Plan - Currently, a number of NCLPIC shareholders also pump from groundwater supplies to irrigate their land, and NCLPIC is required to augment groundwater supplies to compensate for the well pumping. In addition, many wells formerly covered under GASP no longer have groundwater augmentation plans. HRS Water Consultants, Inc. is currently doing a recharge and well study, and developing a groundwater augmentation plan for NCLPIC shareholders and other subscribing well users in the area. The plan should be completed and submitted to Water Court by the end of December 2003. Subsequently, a short-term substitute plan can be utilized to allow well users to continue operating their wells while the long-term plan is reviewed by the Water Court. Drury Reservoir, Cornish Plains Reservoir, and Barnesville Equalizer will be included in the augmentation plan. Groundwater augmentation will be achieved to offset depletion by NCLPIC shareholders and other water users in the area. The project will also develop water that is not currently allocated elsewhere by storing water during "free-river" conditions in the fall, winter, and spring. The proposed reservoir project provides an interface with the future augmentation plan. Included in the augmentation plan will be 75 wells owned by shareholders and about 50 wells owned by non-shareholders. The Total Project cost is estimated to be: TOTAL $ 600,000 6,542,000 2.400.000 $9,542,000 1. 2. 3. Engineering Costs Construction & Contingency Land Acquisition The Total Project cost, by each project, is as follows: TOTAL $2,217,000 2,350,000 922,000 1,632,000 2.421.000 $9,542,000 1. Drury Reservoir 2. Cornish Plains Reservoir 3. Barnesville Reservoir 4. Jack Wells Pumping Station & Pipeline 5. Property Acquisition The NCLPIC plans to do construction in phases starting with the Barnesville Equalizer. Construction of the Barnesville Equalizer is proposed to be completed in April 2005, the Cornish Plains Reservoir completed in March 2007, and the Drury Reservoir completed in March 2008. The pumping station would be completed as part of the Barnesville Equalizer in April 2005, and the pipelines to Cornish Plains Reservoir and Drury Reservoir will be constructed at the same time as each reservoir. NCLPIC recently purchased 1300 acres, all but a portion of the property that would be inundated by the proposed reservoirs. It plans to purchase the remaining land following approval of funding for the project. No significant environmental constraints have been identified for the project. Based on the current scope of work, the reservoir development would not require an Army Corps of Engineers 404 Permit. State Engineer approval is required on the dam and reservoir design, and all 3 reservoirs will meet State dam safety requirements. Page 4 of 7